public class Circle1 {
    int x,y;
    double radius;
    public Circle1(int xpoint, int ypoint, double r){
        x=xpoint;
        y=ypoint;
        radius=r;
    }
    public double area(){
        return 3.14*radius*radius;
    }
    public double circumference(){
        return 3.14*2*radius;
    }

    @Override
    public String toString() {
        return ("坐标：x="+x+" y="+y+" 半径="+radius);
    }
}
